20121202222024 has 16 divisors (see below), whose sum is σ = 37728094772700. Its totient is φ = 10060376949312.

The previous prime is 20121202222003. The next prime is 20121202222039. The reversal of 20121202222024 is 42022220212102.

It can be written as a sum of positive squares in 2 ways, for example, as 16481570062500 + 3639632159524 = 4059750^2 + 1907782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20121202221986 and 20121202222004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27638419 + ... + 28357090.

Almost surely, 2^{20121202222024} is an apocalyptic number.

It is an amenable number.

20121202222024 is a deficient number, since it is larger than the sum of its proper divisors (17606892550676).

20121202222024 is a wasteful number, since it uses less digits than its factorization.

20121202222024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56040432 (or 56040428 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20121202222024 its reverse (42022220212102), we get a palindrome (62143422434126).

The spelling of 20121202222024 in words is "twenty trillion, one hundred twenty-one billion, two hundred two million, two hundred twenty-two thousand, twenty-four".